Function scaleCount

docs/app/js/sanddance-app.js:148546–148548

(spec)

    return type !== Gradient ? type : (0, _vegaScale.isDiscretizing)(scaleType) ? Discrete : Gradient;
}
function scaleCount(spec) {
    return LegendScales.reduce((count, type)=>count + (spec[type] ? 1 : 0), 0);
}
function buildLegendEncode(_, spec, config) {
    const encode = {
        enter: {},